link to page 10 link to page 10 Data Sheet ADR1001SPECIFICATIONSTable 3. (Continued)ParameterSymbolTest Conditions/CommentsMinTypMaxUnit LONG-TERM DRIFT ΔV5_LTD Includes LTD of 6.6 V reference, voltage divider, and output buffer; see Figure 11 and Figure 12 200 hours (early life drift) −2 ppm 1000 hours −4 ppm 2000 hours −5 ppm 5 V OUTPUT STARTUP STABILIZATION TIME ±0.25% 0.2 sec ±3 ppm 45 sec 1 Does not include solder shift. 2 Dominated by Zener noise. analog.comRev. 0 | 5 of 21 Document Outline Features Applications General Description Functional Block Diagram Specifications 6.6 V Reference Characteristics Heater Amplifier Electrical Characteristics 5 V Output and Buffer Electrical Characteristics Voltage Divider Characteristics Absolute Maximum Ratings Thermal Resistance Electrostatic Discharge (ESD) Ratings ESD Ratings for the ADR1001 ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Buried Zener Reference Loop Thermal Regulator Heater Current Limiting Setting the ADR1001 Operating Temperature Precision Voltage Divider and Output Buffer Power Good External Resistor Sensitivity Capacitors Noise Performance Electromechanical Stability Solder Heat Resistance (SHR) Shift Applications Information Basic Connections Outline Dimensions Ordering Guide Evaluation Boards